... Core Spun Polyester Sewing Thread, Plastic Thread Cone Manufacturer.Our 100% poly poly core spun sewing thread is ... and Usages NeSpecificationsUsages20s/23000Y,5000MJeans, shoes, caps, leather products, etc.20s/32000Y,3000MJeans, shoes, handbags, leather products, etc.28s ... and fastener, etc.30s/33000Y,5000YTents jeans, leather products, shoes, etc.40s/23000M,5000M,10000YSuits, trousers, coats, Sewing ...